Publication

Microlensing variability in the gravitationally lensed quasar QSO 2237+0305 equivalent to the Einstein Cross - I. Spectrophotometric monitoring with the VLT

Frédéric Courbin, Georges Meylan, Dominique Sluse, Alexander Patrick Eigenbrod
2008
Journal Articles

Abstract

We present the results of the first long-term (2.2 years) spectroscopic monitoring of a gravitationally lensed quasar, namely the Einstein Cross QSO 2237+0305. The goal of this paper is to present the observational facts to be compared in follow-up papers with theoretical models to constrain the inner structure of the source quasar.

Official source

https://infoscience.epfl.ch/entities/publication/3d8eb768-1a56-4df6-85b7-7b7aa088d121

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Microlensing variability in the gravitationally lensed quasar QSO 2237+0305 equivalent to the Einstein Cross - I. Spectrophotometric monitoring with the VLT

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